JAL-3541 selectively merged build.gradle and gradle.properties

[jalview.git] / unused / javajs / img / ImageEncoder.java

diff --git a/unused/javajs/img/ImageEncoder.java b/unused/javajs/img/ImageEncoder.java
new file mode 100644 (file)
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+++ b/unused/javajs/img/ImageEncoder.java
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+/* $RCSfile$
+ * $Author: hansonr $
+ * $Date: 2007-06-02 12:14:13 -0500 (Sat, 02 Jun 2007) $
+ * $Revision: 7831 $
+ *
+ * Some portions of this file have been modified by Robert Hanson hansonr.at.stolaf.edu 2012-2017
+ * for use in SwingJS via transpilation into JavaScript using Java2Script.
+ *
+ * Copyright (C) 2000-2005  The Jmol Development Team
+ *
+ * Contact: jmol-developers@lists.sf.net
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+// ImageEncoder - abstract class for writing out an image
+//
+// Copyright (C) 1996 by Jef Poskanzer <jef@mail.acme.com>.  All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+// SUCH DAMAGE.
+//
+// Visit the ACME Labs Java page for up-to-date versions of this and other
+// fine Java utilities: http://www.acme.com/java/
+
+package javajs.img;
+
+import java.util.Map;
+
+import javajs.api.GenericImageEncoder;
+import javajs.util.OC;
+
+
+
+/**
+ * Generic abstract image creator:
+ * 
+ *   (1) set parameters
+ *   
+ *   (2) encode the image bytes, if necessary
+ *   
+ *   (3) generate the image 
+ * @author Bob Hanson hansonr@stolaf.edu
+ */
+
+public abstract class ImageEncoder implements GenericImageEncoder {
+
+  protected OC out;
+
+  protected int width = -1;
+  protected int height = -1;
+  protected int quality = -1;
+  protected String date;
+  protected boolean logging;
+  protected boolean doClose = true;
+
+  /**
+   * @param type
+   * @param out
+   * @param params
+   */
+  @Override
+  public boolean createImage(String type, OC out, Map<String, Object> params)
+      throws Exception {
+    this.out = out;
+    logging = (Boolean.TRUE == params.get("logging"));
+    width = ((Integer) params.get("imageWidth")).intValue();
+    height = ((Integer) params.get("imageHeight")).intValue();
+    pixels = (int[]) params.get("imagePixels");
+    date = (String) params.get("date");
+    Integer q = (Integer) params.get("quality");
+    quality = (q == null ? -1 : q.intValue());
+    setParams(params);
+    generate();
+    close(); // GIF will override this and not close
+    return doClose;
+  }
+
+  abstract protected void setParams(Map<String, Object> params);
+  abstract protected void generate() throws Exception;
+
+  protected int[] pixels;
+
+  protected void putString(String s) {
+    byte[] b = s.getBytes();
+    out.write(b, 0, b.length);
+  }
+
+  protected void putByte(int b) {
+    out.writeByteAsInt(b);
+  }
+  
+  protected void close() {
+    // your responsibility to close the output channel
+  }
+
+}